KR100378080B1 - method and system for conducting auction and reverse-auction in a precontract manner over computer network - Google Patents

Abstract

The present invention relates to auction and reverse auction transactions made over a network such as the Internet; Unlike the spot trading-based trading system where the purchase / delivery of the object and settlement of payments are made simultaneously with (or immediately after) the sale (or contract); Auctions and reverse auctions can be conducted in a pre-scheduled transaction method where the point of sale (or contract) and the point of time of actually acquiring / delivering the object and the settlement of payment are different. Provides a reverse auction method and its system.

The auction method uses the network communication network (10, 61, 62) including an auction operation server (11, 40), auction PC (13, 20), bidder PC (12, 30) and the Internet network. In the auction and reverse auction method for purchase / sale: an auction to be purchased or sold together with delivery / acquisition conditions and payment terms for buying or selling at one or a plurality of specific times in the future in the auction object registration step. Register the object (gift) from the auctioneer PCs 13 and 20 to the database 51 through the auction operation servers 11 and 40; Storing the winning condition of the successful bidder selected by the auction operation server (11,40) in the database 51 in the bidder selection / registration step, and notifying the auction result contract conclusion contents to the auctioneer and the bidder; In addition, the auction and the successful bidder through the inquiry of the payment account or the database 51 is configured to further include the acquisition / delivery / payment confirmation step of confirming whether the target of the acquisition / delivery and payment of the object, so that only planned sales and purchase Rather, it is characterized in that planned production is possible.

Description

Method and system for conducting auction and reverse-auction in a precontract manner over computer network}

The present invention relates to a method of reservation auction and reverse auction using a network and a system thereof, and more particularly, a point of time of making a sale (or contract) and a point of time of actually acquiring / delivering an object to be made and making a payment. The present invention relates to an auction and reverse auction system in which scheduled auctions and reverse auctions can be performed at a different point in time, so that planned sales and purchases can be made.

Recently, in transactions using a network such as the Internet; Sites that introduce auctions / reverse auctions to buy and sell products that are in need of each other attract a lot of attention to users and are expanding worldwide.

In the above-described auction site, a person who wants to sell a product registers a product that is secured in kind or a product that can be secured in kind at the same time as an auction, according to a predetermined form, and sells the product at a higher price by an auction method. The reverse auction site is intended to enable a person who wants to purchase a specific product to purchase it at a lower price from a seller who holds the product in kind using the reverse auction method or who can supply the product immediately upon conclusion. It is operating.

For example, in the case of the auction method, in order for an applicant to purchase a specific desired product among auction items, bidders fill out a purchase price according to a predetermined form, and the bidder who presents the highest price within a predetermined period of time Make the product available for purchase.

In addition, in the case of the reverse auction method, in order to purchase a specific product that the applicant wants, the bidders who possess the product must fill out the selling price of the product according to a predetermined form, and the bidder who presented the lowest price within a predetermined period of time. Allows you to purchase the product from

In other words, auction is a method in which a bidder who wants to buy a single product gradually increases the price and purchases it, and a reverse auction is a method in which multiple bidders who have a product gradually lower the price and sell it.

However, these auctions and reverse auctions do not secure the product in-kind or immediately after the conclusion of the sale because the takeover / delivery of the object is made at the same time (or immediately after) the sale (or contract). Sellers in an environment that cannot supply the product cannot use the product even if there is a manufacturing facility or a sales network of the product, and there is a problem that the burden of sales and inventory still exists even if the product is used after production or acquisition.

In addition, it is a necessary product at some point in the future, but it is a system that cannot be used for a purchaser who thinks that the necessary product will be expensive or difficult to purchase at a necessary time, and it is difficult to apply efficiently.

Therefore, the current auction / reverse auction method is spot-centered, and is not suitable for planned sales and purchases because payments are made for purchase / delivery and payment of the object. In other words, it is not suitable for the reservation-based trading method in which the time of making a trade (or contract) and the time of actually acquiring / delivering the object and the payment are different.

The features of the conventional auction and reverse auction system are summarized as follows.

1. Auction participants:

1.1) Seller (Auction Aspirant): The person must be able to supply the product at the same time as or immediately after the auction.

1.2) Purchaser (Bid-seeker): The person who needs the product at the time of the auction entry and who can pay at the same time or immediately after the auction.

2. Acquisition / delivery and settlement of auction items:

2.1) Seller (Auctioner): The product must be delivered in bulk at the same time or immediately after the auction.

2.2) Purchaser (Buyer): Must pay in bulk immediately after or immediately after receipt of the product.

3. Problems with bidding: Sellers are burdened with inventory.

Accordingly, the present invention is to solve the above-described problems, the auction and reverse in a reservation transaction method that is a point of time when the time of making a trade (or contract) and the time of actually acquiring / delivering the object and making a payment It is an object of the present invention to provide a method and a system for reservation auction and reverse auction using a network communication network, in which an auction is made and can be planned and sold.

1 is a block diagram showing a schematic configuration of a reservation auction and reverse auction system using a network communication network according to an embodiment of the present invention;

2 is a block diagram showing the detailed configuration of FIG.

3 is a schematic flowchart of a reservation auction and reverse auction method using a network according to another embodiment of the present invention;

4 to 6 are flowcharts showing in detail the operation of each subroutine of FIG.

<Description of the symbols for the main parts of the drawings>

10,61,62: network 11,40: auction server

12,30: Bidder PC 13,20: Auctioneer PC

21,31,41: browser 22,32,42: Internet protocol

23,33,43: operating system 24,34,44: input

25, 35, 45: output unit 26, 36, 46: interface unit

27,37,47: communication connection part 48: database management part

49: Auction Execution Unit 50: WWW Server

51: database 52: membership management DB

53: bulletin board management DB 54: auction inventory management DB

55: Auctioneer Management DB 56: Bidder Management DB

57: Auction Date Management DB 58: Auction Results Management DB

59: transaction execution management DB 60: deposit and withdrawal management DB

In order to achieve this object, the reservation auction and reverse auction method using the network communication network according to an embodiment of the present invention, the auction operation server, the auctioneer PC, the bidder PC and the Internet of the article using a network communication network including the bidder Auction object registration step of registering in the database through the auction operation server from the auctioneer PC for purchase / sale; A bid registration step of registering a bidding condition in the database through the auction operation server from the bidder PC until the bidding time for the registered auction object; And, in the auction and reverse auction method comprising a bidder selection / registration step of selecting a successful bidder in the auction execution time registered in the database by the auction operation server: one or more specific time in the future in the auction object registration step Register an auction object (gift) to be purchased or sold together with delivery / acquisition conditions and payment conditions for the purchase or sale in bulk or in a divided order from the auction PC to the database through the auction operation server; Storing the winning condition of the successful bidder selected by the auction management server in the database in the bidder selection / registration step and notifying the auction result contract conclusion contents to the auctioneer and the bidder; In addition, through the inquiry of the payment account or database, the auctioneer and the successful bidder are configured to further include the acquisition / delivery / payment confirmation step of confirming whether the object is acquired / delivered and the payment is performed. It is characterized in that the production is possible.

In addition, the present invention, for the purchase / sale of goods using a network communication network including an auction management server, auctioneer PC, a bidder PC and the Internet network, the auction management server from the auction server PC through the auction management server database Register the bidding conditions in the database through the auction management server from the bidder PC until the bidding time for the registered auction object, and select a successful bidder when the auction is registered in the database by the auction management server to use the network communication network. In the auction and reverse auction system for the purchase / sale of goods by: the auction operation server, the delivery / acceptance conditions and payment conditions for the purchase or sale in bulk or divided at one or a plurality of specific times in the future through a network communication network Auction by buying or selling an auction object (gift) to buy or sell with It provides a reverse auction site, stores the winning conditions of the selected successful bidders in the database, notifies the auctioneers and bidders about the conclusion of the auction. By the interface unit for transmitting data transmitted from the communication connection unit to the operating system to confirm whether the payment is performed, and by the operating system for operating the respective devices to process the contents input through the interface unit. A database management unit that provides data required for the auction execution unit to operate, executes commands such as registering, updating, inserting, and deleting data, and operates / manages a reserved auction and a reverse auction system. Loaded on the auction server to register various data Auction execution unit that manages auction time, acquisition / delivery / payment time to provide various information services to visitors through WWW server, and to confirm auction and reverse auction and fulfillment of acquisition / delivery / payment. Including; Register, on the auctioneer PC, the auction objects to be bought or sold together with the auction conditions including delivery / acquisition conditions and payment terms for buying or selling in batches or splits at one or more specific time periods in the future; The bidder PC, connected to the auctioneer PC through a network communication network when the auction is registered from the auctioneer PC to bid for the auction conditions, providing a reservation auction and reverse auction system using a network communication network Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic configuration diagram of a reservation auction and a reverse auction system using a network communication network according to an embodiment of the present invention, in which an auction operation server 11 providing a reservation auction and a reverse auction service is auctioned. The auctioneer PC 13 and the bidder PC 12 wishing to bid are provided using the network network 10 such as the Internet.

FIG. 2 is a detailed configuration diagram of FIG. 1 and illustrates a detailed configuration of the reserved auction and reverse auction system.

The auction operation server 40, the auction PC (30), the bidder PC 20 is interconnected with the network communication network (61, 62) through the network adapter (mortem or LAN card) of the communication connection (27, 37, 47) Send and receive various data and send and receive information.

The auction operation server 40 operates the WWW server 50 operating on the internet protocol unit 42 so that the auctioneer PC 30 and the bidder PC 20 can use the information through the web browsers 21 and 31. In addition, the WWW server 50 transmits the data requested by the browsers 21 and 31 of the auctioneer PC 30 and the bidder PC 20 according to the Hyper Text Transfer Protocol (HTTP).

The Internet protocols 22, 32, and 42 refer to all protocols used on the Internet. The protocol defines a communication protocol between the browsers 21, 31, 41 and the WWW server 50 as a kind of transmission protocol.

The auctioneer PC 30 and the bidder PC 20 connected to the auction operation server 40 using the web browsers 21 and 31 perform information inquiry and input using a mouse or a keyboard of the input units 24 and 34. The input data is transmitted to the communication connection units 27 and 37 through the interface units 26 and 36, and the communication connection unit of the auction operation server 40 through the network communication networks 61 and 62 such as the Internet network. 47).

The interface unit 46 of the auction operation server 40 serves to deliver data transmitted from the communication connection unit 47 to the operating system 43. The operating system 43 of the auction operation server 40 causes each device to operate so that the corresponding device processes the content input through the interface unit 46.

The database manager 48 operates by the operating system, and provides the data necessary for the auction execution unit 49 to operate with reference to the database 51 and performs commands such as registration, update, insertion, and deletion of data. . The database unit 51 of the auction operation server 40 is constructed and used according to the purpose of use of the data to systematically manage / operate necessary data.

The auction execution unit 49 is a place that operates / manages the reservation-type auction and reverse auction system, and is loaded on the auction operation server 40 to register, collect and process various data, and accessor through the WWW server 50. Provide various information services to them.

3 is a schematic flowchart of a method of reservation auction and reverse auction according to the present invention, and FIGS. 4 to 6 are flowcharts showing the operation of each subroutine of FIG. 3 in detail.

One embodiment of the reservation auction and reverse auction method, as shown in Figure 3, the auctioneer / bidder registration step, registration of the auction object, bid registration step, auction execution and successful bidder selection / registration step (contract agreement Contents notification), and each of the future batch time / division time, and the five steps of the acquisition / delivery / payment confirmation step. Specifically, the member registration step, registration step of auction object, and bidding step are illustrated in FIG. 4. As shown in FIG. 5, the auction execution and the bidder selection / registration step (notification of contract conclusion) and the acquisition / delivery / payment confirmation step for each future batch time / split time are shown in FIGS. 5 and FIG. It may be specifically configured as shown in 6.

In FIG. 4, the member verification step is configured to be performed together with the member registration step, and the member confirmation and member registration step allow all visitors to view auction information regardless of membership registration, and only those who wish to apply for auction or wish to bid Check this member registration and register as a member.

In the registration phase of the auction object, the auction object to be bought or sold together with delivery / acquisition conditions and payment terms for the purchase or sale in bulk or in the future at one or more specific time periods, the auctioneer PC (13, 20) From the auction management server (11, 40) to register in the database 51, and in the bidding step, bid auction operation server (11, 40) from the bidder PC (12, 30) until the bid for the registered auction object Bidding conditions are registered in the database 51 through.

In the auction execution and bidder selection / registration step, the auction winner is selected at the auction execution time registered in the database 51 by the auction operation server 11, 40, and then selected by the auction operation server 11, 40. The successful bidder's successful bid condition is stored in the database 51, and the auction results and the bidder are notified of the contract conclusion.

In FIG. 4, a plurality of users including the auctioneer PCs 13 and 20 and the bidder PCs 12 and 30 connect to the auction operation server 11 and 40 by using a web browser to access the homepage and reserve auction information. The service is provided (step 101).

All visitors can view the auction information regardless of membership registration (step 102), and the auction application requestor or bidder (step 103) receives the member verification and registration procedure (step 104).

The auction operation management server 11, 40 confirms that the registered member by referring to the member management 52 database of the database unit 51 and registers the input information in the member management 52 database for the new member.

In the case of the auction requester (step 105), the auction operation server (11, 40) will receive the terms and regulations guide (step 106) and confirmation (step 106) for registering the auction item, and if the terms and conditions are agreed ( In step 107), a procedure for inputting and confirming necessary data for registering an auction item is received (step 108).

The auction operation server finally checks the necessary data for registering the auction item, and assesses whether or not the item can be registered (step 109). If there is no problem in the registration condition (step 110), the auction data for the auction object After registering (step 111) in the database for the auction item management 54, auctioneer management 55, auction date management 57 of the database unit 51, and provides the registered auction data on the web ( Step 112).

The following is an example of detailed information of registered auction items provided on the web.

<Auction item>

* Auction item: A product

* Auction wish date and time (when the bidder is selected): July 15, 2000, 3pm

* Quantity: 100

* Minimum bid: 10,000 won

* India condition: 10 pieces on August 15, 2000

20 September 1, 2000

70 October 9, 2000

* Payment Terms: 5% of winning price on August 15, 2000

25% of winning price on September 3, 2000

70% of winning bid on October 9, 2000

* Payment Method: Cash (Bank Transfer)

* India: Direct Seller Delivery

<In case of reverse auction article>

* Auction item: A product

* Auction wish date and time (when the bidder is selected): July 15, 2000, 3pm

* Quantity: 100

* Highest bid price: 10,000 won

* Acquisition: 10 August 15, 2000

20 September 1, 2000

70 October 9, 2000

* Payment Terms: 5% of winning price on August 15, 2000

25% of winning price on September 3, 2000

70% of winning bid on October 9, 2000

* Payment Method: Cash (Bank Transfer)

* Means of delivery: Direct seller

In addition, bidders receive bid information / regulation guidance and confirmation (step 155) from the auction operation server (11,40), and if you agree with the terms and conditions, the bidding with confirmation of the desired item (step 156), bidding You are asked to enter the necessary data for step 158.

The auction operation management server (11, 40) evaluates whether or not bidding is possible based on the input data (step 159), and if there is no problem in the bidding condition (step 160), the bidder management of the bidding data of the database unit 51 ( 56) Register in the database (step 161).

The bidder completes the bid registration by receiving the registered bid details from the auction operation servers 11 and 40 finally (step 162).

5 is a detailed flowchart of the auction execution and successful bidder selection / registration routine of FIG.

As shown, the auction operation server (11, 40), the auction execution date check (step 201) from time to time with reference to the auction date management (57) database of the database unit 51, the auction execution date (step 202) If yes, the bid is closed (step 203).

When the bidding is closed (step 203), the auction operation server refers to the auctioneer / bidder data (step 211) in the auctioneer management 55 and the bidder management (56) database of the bidder in the auction (Step 204).

The auction operation server (11, 40) refers to the auction item management (54) database of the database unit 51 to check whether the general auction item (step 205) reverse auction item and the successful bidder according to the auction winner selection criteria of the auction method (Step 208).

That is, when the successful bidder is selected by a general auction (step 206), the bidder who bids the highest price within the price condition registered by the auctioneer is selected as a successful bidder. The bidder (seller) who bids at the lowest price within the price condition registered by the buyer (buyer) is selected. If there are multiple winners, they will be handled according to the auction rules / terms.

In the case of a bid, the auction participant is notified of the bid content and the result (e-mail, etc.) and registered in the auction result management 58 database of the database unit 51 (step 212). When the successful bidder is selected, the auctioner and the successful bidder are notified of the conclusion and the result of the auction (step 209), and the auctioneer data / successful bidder data / decision details are registered in the auction result management 58 database of the database unit 51 (step 210). . The contract will be posted on the site and notified by e-mail, fax, off-line registration or certified mail. In order to conclude on the network (10, 61, 62) to increase the evidence of the contract by authenticating will be able to eliminate the problem caused by the price change in the future.

FIG. 6 is a detailed flowchart of the argument / delivery / payment confirmation routine for each future batch time / division time of FIG.

As shown in the drawing, the auction operation server 11 and 40 frequently refer to the auction result management 58 and the transaction execution management 59 database of the database unit 51 to actually acquire the object and the price according to the auction execution result. It is confirmed whether it is the time of delivery (payment) (step 301).

That is, when it is confirmed (step 302) by the acquisition / delivery / payment date (or acquisition / delivery / payment closing date and time), the data of the transaction execution management 59 and the deposit and withdrawal management 60 database of the database unit 51 is acquired. Inquiry / delivery / payment data (step 316) (additionally confirmed using the payment account inquiry, e-mail, other wired and wireless communication means, and registered in the transaction execution management (59) and deposit and withdrawal management (60) database) As a result, the auctioneer and the successful bidder confirm whether the object and the price are actually acquired / delivered (step 303).

If the acquisition / delivery / payment is not fulfilled, the confirmation result is registered in the transaction execution management 59 database of the database unit 51, and processing is performed in accordance with the auction terms / regulations (step 317). If the acquisition / delivery / payment has been carried out (step 304), the auction result management 58 and the transaction execution management 59 database of the database unit 51 refer to the collective acquisition / delivery / payment auction item or the divided acquisition. It confirms by confirming (step 305) whether or not the delivery / payment auction item is stored in the transaction execution management 59 database of the database unit 51 (steps 306 and 307).

The reservation auction and reverse auction system using the network communication network of the present invention according to the configuration and operation of the embodiments described above has the following advantages.

Attendees will be wider. That is, the seller includes a person who can supply the product at some point in the future, a person who wants a planned sale, and a person who has a mental / economic burden on the delivery of the package, and the buyer needs the product at a future time point. This includes those who take over the product, those who can make payments at some point in the future, those who want to make a planned purchase, and those who have a mental / economic burden on the acquisition.

In addition, in the acquisition / delivery and settlement of an auction item, the seller may deliver or divide the product at a future time according to the conditions presented at the auction at the winning bid price, and the payment amount may be divided and received. In some cases, funding can be secured in advance, and the risk of inventory or future sales forecasts can be eliminated.

The purchaser can purchase or divide the product at a future time according to the conditions suggested at the auction at the auction price, and the payment burden can be divided and payment can be reduced.

On the other hand, even if the auction is bidding, there is no problem, and unlike the conventional auction method, there is no inventory burden on the seller.

According to the configuration and function of the reservation auction and reverse auction method using the network communication network and the system according to the embodiment of the present invention described above, and when the transaction (or contract) and the object of the transaction is actually acquired / delivered and paid Auctions and reverse auctions are made in a reservation transaction method where payments are made at different points in time, so that planned sales and purchases are possible, and not only have the advantages described above for sellers and buyers, but also planned production for producers. Savings can be achieved, resources can be redistributed through a clear prediction of future demand at the national level, and international competitiveness can be enhanced according to market principles.

Claims (5)

For purchase / sale of goods using the network communication network (10, 61, 62) including the auction operation server (11, 40), auction PC (13, 20), bidder PC (12, 30) and the Internet network Auction object registration step of registering in the database 51 from the auctioneer PCs 13 and 20 through the auction operation server 11 and 40; A bid registration step of registering bid conditions in the database 51 through the auction operation server (11, 40) from the bidder PC (12,30) until the bidding time for the registered auction object; In the auction and reverse auction method comprising a bidder selection / registration step of selecting a successful bidder at the auction execution time registered in the database 51 by the auction operation servers 11 and 40: In the auction object registration step, auction objects (gifts) to be bought or sold together with delivery / acquisition conditions and payment conditions for the purchase or sale in one batch or in a plurality of specific periods in the future, auction PC (13, 20 is registered in the database 51 through the auction operation server (11, 40); Storing the winning condition of the successful bidder selected by the auction operation server (11,40) in the database 51 in the bidder selection / registration step, and notifying the auction result contract conclusion contents to the auctioneer and the bidder; And, Through the inquiry of the payment account or the database 51, the auctioneer and the successful bidder are configured to further include the acquisition / delivery / payment confirmation step of confirming whether the object has been acquired / delivered and whether the payment has been performed. Scheduled auction and reverse auction method using a network communication network characterized in that the planned production is possible. The method of claim 1, wherein all accessors can view the auction information regardless of membership registration (step 102), and the auction applicant or bidder wishes to register after the member verification and member registration step (step 103) (step 104). Configured to perform a registration or bid registration step of the auction object; Using the network communication network, characterized in that it further comprises the step of registering the result of the confirmation of the implementation in the database 51 so that the administrator of the auction operation server (11,40) can be processed in accordance with the auction terms / regulations How to book auctions and reverse auctions. The method of claim 1 or claim 2, wherein the registration step of the auction object, in the case of auction request applicants (step 105), from the auction operation server (11, 40), the terms and conditions for the registration of auction items (step 106) And a step of receiving confirmation (step 106), and in the case of agreeing to the terms and conditions (step 107), inputting and confirming the necessary data for registering the auction item (step 108), and the auction operation server 11, Finally, the necessary data for the registration of the auction item input by step 40 is finally examined, and whether or not the item can be registered (step 109), and if there is no problem in the registration condition (step 110), The auction data is registered in the database of the auction item management 54, the auctioneer management 55, and the auction date and time management 57 of the database unit 51, and then the registered auction data is provided on the web. (Step 112); The bidding step may include receiving guidance and confirmation of bidding conditions / regulations from the auction operation server 11 and 40 (step 155); If agreeing to the terms and conditions, requesting and inputting the necessary data for the bidding (step 158) together with confirming the bidding desired item (step 156); Assessing whether bidding is possible based on the data input by the auction operation management servers 11 and 40 (step 159); If there is no problem with the bidding condition (step 160), registering the bidding data in the bidder management 56 database (step 161) of the database unit 51; Receiving the bid contents registered by the bidders from the auction operation server (11, 40) finally (step 162) and ending the bid registration; The auction execution and the bidder selection step may be performed by the auction operation server (11,40) from time to time of the auction execution date check (step 201) with reference to the auction date and time management 57 database of the database unit 51; If the auction execution date (step 202) is met, closing the bid (step 203); When the bidding is closed (step 203), the auction management server (11, 40) refers to the auctioneer / bidder data (step 211) in the auctioneer management 55 and the bidder management 56 database of the database unit 51 Investigating whether there is a bidder in the auction (step 204), the general auction item (step 205) or reverse auction item by referring to the auction item management 54 database of the database unit 51 Selecting a successful bidder according to a successful bidder selection criterion (step 208); In the case of the bidding, the auction participants are notified of the bidding contents and results (e-mail, etc.) and registered in the auction result management 58 database of the database unit 51 (step 212). And notifying the contents of the conclusion and the result (step 209) and registering the auctioneer data / winner data / contract details in the auction result management 58 database of the database unit 51 (step 210). Reservation auction and reverse auction method using a network communication network. For purchase / sale of goods using the network communication network (10, 61, 62) including the auction operation server (11, 40), auction PC (13, 20), bidder PC (12, 30) and the Internet network In the auction management server (11,40), the auction PC (13, 20) from the auction management server (11, 40) through the auction management server (11, 40), the bidder PC ( 12, 30 to register the bidding conditions in the database 51 through the auction operation server (11, 40), and selects a successful bidder at the auction execution time registered in the database 51 by the auction operation server (11,40) In the auction and reverse auction system for the purchase / sale of goods using the network communication network (10, 61, 62) by: The auction operation server 40 is purchased or sold together with delivery / acquisition conditions and payment conditions for purchasing or selling in bulk or at a certain time in the future through a network communication network 10, 61, 62. It provides auction and reverse auction site that purchases or sells the auction object (gift) to be made, stores the winning condition of the selected successful bidder in the database 51, notifies the auction result and the bidder about the conclusion of the auction, and settles the payment. It transmits the data transmitted from the communication connection unit 47 to the operating system 43 so that the auctioneer and the successful bidder check whether the auction and the successful bidder are fulfilled through the inquiry of the account or the database 51. Operating by the interface unit 46 and the operating system 43 for operating each device so that the corresponding device processes the contents input through the interface unit 46. The database manager unit 48 provides data necessary for the auction execution unit 49 to operate with reference to the database unit 51, or executes commands such as registration, update, insertion, and deletion of data; As a place to operate / manage the auction system, it is loaded on the auction operation server 40 to register, collect and process various data, and provide various information services to the visitors through the WWW server 50, auction and reverse auction and acquisition Auction execution unit 49 for managing auction time, acquisition / delivery / payment time, etc. to confirm whether the delivery / payment is performed; On the auctioneer PCs 13 and 20, auction objects to be bought or sold together with the auction conditions including delivery / acquisition conditions and payment terms for the purchase or sale in bulk or in the future at one or more specific time periods are selected. Register; When the bidder PCs 12 and 30 are connected to the auctioneer PCs 13 and 20 through the network communication networks 10, 61 and 62, and the auction is registered from the auctioneer PCs 13 and 20, the auction is performed. A reservation auction and reverse auction system using a network communication network, characterized in that bidding on the conditions. The auctioneer PCs 13 and 20 and the bidder PCs 12 and 30 are connected to the auction operation server 40 by using the web browsers 21 and 31, and the input units 24 and 34 respectively. Information search and input is performed by using a mouse or keyboard, and the input data is transmitted to the communication connection units 27 and 37 through the interface units 26 and 36, and network communication networks 10 and 61 such as the Internet network. The reservation auction and reverse auction system using a network communication network, characterized in that configured to be transmitted to the communication connection 47 of the auction operation server (40) through.